package com.example.workshop.lesson9;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.FilterType;
import org.springframework.stereotype.Component;

@SpringBootApplication
//@ComponentScan(basePackages = "com.example.workshop.lesson10")
//@ComponentScan(includeFilters = @ComponentScan.Filter(type = FilterType.REGEX,pattern = "com.example.workshop.lesson9"))
public class MovieRecommenderSystemApplication {
    public static void main(String[] args) {

        //ApplicationContext负责管理Bean和依赖关系。
        ApplicationContext appContext=SpringApplication.run(MovieRecommenderSystemApplication.class,args);


        //从Application中获得并打印Singleton Bean
        ContentBasedFilter filter=appContext.getBean(ContentBasedFilter.class);
        System.out.println("\nContentBasedFilter bean with singleton scope");
        System.out.println(filter);

        //从Singleton Bean中获得并打印Prototype Bean两次
        Movie movie1=filter.getMovie();
        Movie movie2=filter.getMovie();
        Movie movie3=filter.getMovie();

        System.out.println("\nMovie bean with prototype scope");
        System.out.println(movie1);
        System.out.println(movie2);
        System.out.println(movie3);

        System.out.println("\nContentBasedFilter instances created: "+ContentBasedFilter.getInstances());
        System.out.println("Movie instances created:"+Movie.getInstances());
    }
}